AI infrastructure

Feyn

Website
Founded 2025Origin source ↗Checked 2026-09-15

Overview

Feyn is an end-to-end service for building custom models from your data. Our models learn how your product actually works, handle the rare cases that are costly to get wrong, and grow sharper the longer they run.

Our engineers start by reviewing your current setup and agreeing on what quality means for your workflow. Then we train a model on your data. Once it ships, new cases feed back into training so the model keeps improving.

The result is a model that runs faster, improves with use, and is yours to own.

Company description As recorded 2026-11-08
LinkedIn GitHub
AI infrastructureInfrastructureBusinessesMid marketServices

Founders & team

Previously Chonkie

Company history As recorded 2026-11-08

Shreyash Nigam

Founder/CEO

Building custom models at Feyn. Previously on-device AI, Ads personalization, and VM memory at Google.

LinkedIn X
Founder profile As recorded 2026-09-15
3team members reported
Source-reported As recorded 2026-09-15

Founded 2025 · Source

News & product activity

Sources & observations

Hacker News · Hacker News · Hacker News · Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yeardated product or funding activity
startup.observe Directory coverage · Sources & method